/* ===== BLOG STYLES ===== */
/* Inherits :root vars from styles.css */

/* ─── Breadcrumb ──────────────────────────────────────────────────────────── */
.blog-breadcrumb {
    margin-bottom: 24px;
    font-size: 0.8rem;
    font-family: 'Space Mono', monospace;
}

.blog-breadcrumb-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}

.blog-breadcrumb-item {
    display: flex;
    align-items: center;
}

.blog-breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin: 0 8px;
    color: var(--border);
}

.blog-breadcrumb-item a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}

.blog-breadcrumb-item a:hover {
    color: var(--primary);
}

.blog-breadcrumb-item span[aria-current] {
    color: var(--text);
}

/* ─── Page header ─────────────────────────────────────────────────────────── */
.blog-page-header {
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 24px;
}

.blog-page-header h1 {
    font-size: 2rem;
    margin: 0 0 12px 0;
    color: #fff;
}

.blog-page-desc {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
    max-width: 700px;
}

.blog-article-count {
    display: inline-block;
    margin-top: 12px;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 2px 10px;
    letter-spacing: 1px;
}

/* ─── Layout (content + sidebar) ──────────────────────────────────────────── */
.blog-layout {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.blog-main {
    flex: 1;
    min-width: 0;
}

/* ─── Sidebar ─────────────────────────────────────────────────────────────── */
.blog-sidebar {
    border-top: 1px solid var(--border);
    padding-top: 24px;
}

.blog-sidebar h3 {
    font-size: 0.85rem;
    color: var(--primary);
    margin: 0 0 16px 0;
    letter-spacing: 2px;
}

.blog-sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.blog-sidebar-link {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 6px 12px;
    border-left: 2px solid transparent;
    transition: all 0.2s;
}

.blog-sidebar-link:hover,
.blog-sidebar-link.true {
    color: var(--primary);
    border-left-color: var(--primary);
    background: rgba(0, 255, 65, 0.05);
}

/* ─── Blog grid ───────────────────────────────────────────────────────────── */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

/* ─── Article card ────────────────────────────────────────────────────────── */
.blog-card {
    border: 1px solid var(--border);
    background: var(--surface);
    transition: border-color 0.2s, transform 0.2s;
}

.blog-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.blog-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.blog-card-body {
    padding: 20px;
}

.blog-card-category {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.blog-card-title {
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    color: #fff;
    margin: 8px 0;
    text-transform: none;
    line-height: 1.4;
}

.blog-card-desc {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0 0 16px 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--muted);
    font-family: 'Space Mono', monospace;
}

.blog-card-author {
    display: flex;
    align-items: center;
    gap: 8px;
}

.blog-card-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--border);
}

/* ─── Section (blog index) ────────────────────────────────────────────────── */
.blog-section {
    margin-bottom: 48px;
}

.blog-section-header {
    margin-bottom: 20px;
}

.blog-section-header h2 {
    margin: 0 0 8px 0;
    font-size: 1.2rem;
}

.blog-section-header h2 a {
    color: var(--primary);
    text-decoration: none;
    transition: opacity 0.2s;
}

.blog-section-header h2 a:hover {
    opacity: 0.8;
}

.blog-section-desc {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.5;
}

.blog-view-all {
    display: inline-block;
    margin-top: 16px;
    color: var(--primary);
    text-decoration: none;
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.blog-view-all:hover {
    border-bottom-color: var(--primary);
}

/* ─── Article page ────────────────────────────────────────────────────────── */
.blog-article-header {
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 24px;
}

.blog-category-tag {
    display: inline-block;
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    border: 1px solid var(--primary);
    padding: 2px 10px;
    margin-bottom: 16px;
    transition: background 0.2s, color 0.2s;
}

.blog-category-tag:hover {
    background: var(--primary);
    color: var(--bg);
}

.blog-article-header h1 {
    font-size: 1.8rem;
    margin: 0 0 16px 0;
    text-transform: none;
    line-height: 1.3;
}

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--muted);
    font-family: 'Space Mono', monospace;
}

.blog-author {
    display: flex;
    align-items: center;
}

.blog-author-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
}

.blog-author-link:hover {
    color: var(--primary);
}

.blog-author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
    transition: border-color 0.2s;
}

.blog-author-link:hover .blog-author-avatar {
    border-color: var(--primary);
}

.blog-reading-time {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ─── Article content (markdown output) ───────────────────────────────────── */
.blog-content {
    line-height: 1.8;
    font-size: 1.05rem;
    max-width: 750px;
}

.blog-content h2 {
    font-size: 1.4rem;
    margin: 40px 0 16px 0;
    color: #fff;
    text-transform: none;
}

.blog-content h3 {
    font-size: 1.1rem;
    margin: 32px 0 12px 0;
    color: #fff;
    text-transform: none;
}

.blog-content p {
    margin: 0 0 16px 0;
    color: var(--text);
}

.blog-content a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.blog-content a:hover {
    border-bottom-color: var(--primary);
}

.blog-content ul,
.blog-content ol {
    margin: 0 0 16px 0;
    padding-left: 24px;
}

.blog-content li {
    margin-bottom: 8px;
}

.blog-content blockquote {
    margin: 24px 0;
    padding: 16px 20px;
    border-left: 3px solid var(--primary);
    background: rgba(0, 255, 65, 0.05);
    color: var(--text);
}

.blog-content blockquote p {
    margin: 0;
}

.blog-content code {
    font-family: 'Space Mono', monospace;
    background: var(--encrypted-bg);
    padding: 2px 6px;
    font-size: 0.9em;
    border-radius: 2px;
}

.blog-content pre {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 20px;
    overflow-x: auto;
    margin: 24px 0;
    font-size: 0.85rem;
    line-height: 1.6;
}

.blog-content pre code {
    background: none;
    padding: 0;
}

.blog-content img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border);
    margin: 24px 0;
}

.blog-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.blog-content th,
.blog-content td {
    border: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
}

.blog-content th {
    background: var(--surface);
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    color: var(--primary);
}

.blog-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 32px 0;
}

.blog-content strong {
    color: #fff;
}

/* ─── Article footer ──────────────────────────────────────────────────────── */
.blog-article-footer {
    margin-top: 48px;
    border-top: 1px solid var(--border);
    padding-top: 24px;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.blog-tag {
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    color: var(--muted);
    text-decoration: none;
    padding: 4px 12px;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.blog-tag:hover {
    color: var(--primary);
    border-color: var(--primary);
}

/* ─── Author box ──────────────────────────────────────────────────────────── */
.blog-author-box {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    margin-bottom: 40px;
}

.blog-author-box-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
    flex-shrink: 0;
    transition: border-color 0.2s;
}

.blog-author-box-avatar:hover {
    border-color: var(--primary);
}

.blog-author-box-info {
    flex: 1;
    min-width: 0;
}

.blog-author-box-name {
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    transition: color 0.2s;
    display: inline-block;
    margin-bottom: 6px;
}

.blog-author-box-name:hover {
    color: var(--primary);
}

.blog-author-box-bio {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* ─── Category cards (blog index) ────────────────────────────────────────── */
.blog-categories-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.blog-category-card {
    display: block;
    padding: 24px;
    border: 1px solid var(--border);
    background: var(--surface);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, transform 0.2s;
}

.blog-category-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.blog-category-card-name {
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    color: var(--primary);
    margin: 0 0 8px 0;
}

.blog-category-card-desc {
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0 0 12px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-category-card-count {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--primary);
    padding: 2px 8px;
}

/* ─── Instructor cards (blog index) ──────────────────────────────────────── */
.blog-instructors-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.blog-instructor-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    border: 1px solid var(--border);
    background: var(--surface);
    transition: border-color 0.2s;
}

.blog-instructor-card:hover {
    border-color: var(--primary);
}

.blog-instructor-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
    flex-shrink: 0;
    transition: border-color 0.2s;
}

.blog-instructor-card:hover .blog-instructor-avatar {
    border-color: var(--primary);
}

.blog-instructor-info {
    flex: 1;
    min-width: 0;
}

.blog-instructor-name {
    font-family: 'Space Mono', monospace;
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 8px;
    transition: color 0.2s;
}

.blog-instructor-name:hover {
    color: var(--primary);
}

.blog-instructor-bio {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0 0 12px 0;
}

.blog-instructor-social {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    color: var(--muted);
    text-decoration: none;
    padding: 4px 12px;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.blog-instructor-social:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.blog-instructor-social svg {
    flex-shrink: 0;
}

.blog-instructor-link {
    flex-shrink: 0;
}

/* ─── Related articles ────────────────────────────────────────────────────── */
.blog-related {
    margin-top: 8px;
}

.blog-related h2 {
    font-size: 1.1rem;
    margin: 0 0 20px 0;
    color: var(--primary);
}

/* ─── TABLET (>=480px) ────────────────────────────────────────────────────── */
@media (min-width: 480px) {
    .blog-page-header h1 {
        font-size: 2.2rem;
    }

    .blog-article-header h1 {
        font-size: 2rem;
    }
}

/* ─── TABLET LANDSCAPE (>=768px) ──────────────────────────────────────────── */
@media (min-width: 768px) {
    .blog-layout {
        flex-direction: row;
    }

    .blog-sidebar {
        width: 220px;
        flex-shrink: 0;
        border-top: none;
        border-left: 1px solid var(--border);
        padding-top: 0;
        padding-left: 24px;
    }

    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-instructors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-page-header h1 {
        font-size: 2.5rem;
    }

    .blog-article-header h1 {
        font-size: 2.2rem;
    }

    .blog-content {
        font-size: 1.1rem;
    }

    .blog-content h2 {
        font-size: 1.6rem;
    }

    .blog-content h3 {
        font-size: 1.25rem;
    }
}

/* ─── DESKTOP (>=992px) ───────────────────────────────────────────────────── */
@media (min-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .blog-categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .blog-sidebar {
        width: 260px;
    }
}